use a region variable to ensure consistent deployment

Author: kbiegert

.secrets.baseline

@@ -3,7 +3,7 @@
     "files": "^.secrets.baseline$",
     "lines": null
   },
-  "generated_at": "2025-05-09T13:17:52Z",
+  "generated_at": "2025-09-04T15:22:33Z",
   "plugins_used": [
     {
       "name": "AWSKeyDetector"
@@ -120,7 +120,7 @@
         "hashed_secret": "83b1c425484475e97934007eccb2277e9bdbd203",
         "is_secret": false,
         "is_verified": false,
-        "line_number": 154,
+        "line_number": 159,
         "type": "Secret Keyword",
         "verified_result": null
       }

ibm_catalog.json

@@ -44,6 +44,11 @@
                             "required": true,
                             "type": "password"
                         },
+                        {
+                            "key": "region",
+                            "required": true,
+                            "type": "string"
+                        },
                         {
                             "key": "prefix",
                             "required": true,